markuzalmario15 markuzalmario15

09-06-2021
Mathematics

contestada

Hi :), im really struggling with this. Just wanted to know if anyone can explain step by step for me please?

Hi im really struggling with this Just wanted to know if anyone can explain step by step for me please class=

Respuesta :

reinhard10158 reinhard10158

10-06-2021

Answer:

314 m²

Step-by-step explanation:

the surface area of a sphere (As) = 4×pi×r²

our radius r (half the diameter) here is 5m.

=>

As = 4×pi×5² = 4×3.14×25 = 100×3.14 = 314 m²

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